.daohangtiao{
    height: 50px;
    text-align: center;
    background-color: lightgrey;
}
.daohangtiao span{
    font-size: 25px;
    margin:10px 30px;
    color: gray;
}
.daohangtiao a span:hover{
    color:#EF6023 ;
}
.container{
    text-align: center;
    
}
.container  .box2 button{
    background-color: #EF6023;
}
.container  .box2 button:nth-child(1){
    width: 120px;
    height: 50px;
    border: none;
    font-weight: bold;
}
.container .box2 button:nth-child(2){
    width: 120px;
    height: 50px;
    border: none;
    font-weight: bold;
}
.box2 a{
    color: lightgray; 
}
.box2 a:hover{
    color: white;
}
.navbar-fixed-bottom a{
   font-size: 17px;
   margin: 20px;
   color: gray;
}
.navbar-fixed-bottom{
    height: 40px;
    padding: 5px;
}
.navbar-fixed-bottom span:hover{
    color:#EF6023 ;
}